Synonyms|618Antonyms|185|Broader|16Narrower|29Related|260
6
loosen(verb, hold, increase, open, loose)
4
relax
4
slacken(verb, decrease, extend)
2
let go(verb, expression, idiom, open, loose)
2
loose(verb, adjective)
1
disengage
1
disentangle
1
emancipate
1
free
1
give(verb, hold, open, destroy, fail)
1
melt
1
release
1
sag(verb, increase, rise, droop)
1
slack
1
soften
1
unbolt
1
unhook
0
abate
0
ambiguous
0
amplify
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APASmart Define. (2015). tighten thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/tighten/thesaurus/antonyms
ChicagoSmart Define. 2015. "tighten thesaurus" https://smartdefine.org/tighten/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, tighten thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/tighten/thesaurus/antonyms>.
MLASmart Define. "tighten thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/tighten/thesaurus/antonyms>